Clients and testimonials

These clients have already found success. Are you next?

From environmental consultants to national agencies, our clients came to Aestus looking for clarity and left with results. Explore how GeoTrax helped them move forward and discover what’s possible for your site.

View Our Case Studies

From contamination to compliance in two years.

Utilizing advanced characterization and remediation methods, the [City of Ada] site reached non-detect for impacts in all of the municipal supply wells and was back online within two years. I believe a key factor in the success of the project was due to the expertise of Aestus and their use of ultra-high resolution methods for the characterization of the release and the local hydrogeologic environment. Their efforts allowed for the effective design, operation and evaluation of the remedial efforts.

Aestus has provided the City of Ada with outstanding, and much needed, technical consulting support for several years in this area. The City of Ada highly recommends their services.

- Guy W. Sewell President, City of Ada, OK Water Resources Board

Clarity in complex fractured aquifers.

Aestus' resistivity survey proved instrumental in understanding hydrocarbon migration patterns within our fractured aquifer system. Their expertise provided crucial insights that traditional methods simply couldn't deliver, allowing us to: Accurately map the extent and movement of the hydrocarbon plume, even within the complex network of fractures. Identify the preferential pathways of migration, which was essential for targeting remediation efforts effectively. Make informed decisions about drilling and remediation strategies, saving us time and resources. The detailed subsurface characterization enabled by Aestus gave us the confidence to proceed avoiding costly blind drilling. We highly recommend Aestus for anyone facing the challenges of hydrocarbon migration in fractured aquifers.

- Kathy Lippert,
Greystone Environmental Services, Inc.

Targeted design. Faster closure. Lower cost.

Aestus has been great to work with and we are very pleased with their value added to our project. Their GeoTrax CSM+ process helped us improve the conceptual site model (CSM) at the Tutu Wellfield Superfund Site in St. Thomas, U.S. Virgin Islands and allowed the project team to make better technical and budgetary decisions for the project. Specifically, Aestus’ integral GeoTrax Survey™ subsurface imaging process located fractures, faults, and a deformation zone where most of the groundwater flow and contaminant migration is occurring.

Without this improved CSM understanding, we would not have been able to target our remedial design investigation by focusing monitoring and planned extraction wells in the high flow pathways so that our chlorinated solvent remediation can be more technically and cost effective.

We would highly recommend Aestus for projects where the stakeholders want to enhance their site understanding to make more informed and effective decisions on characterization and remediation, with the goal of reaching site closure more quickly and cost effectively.

– Demetrios Klerides, P.E., BCEE,
Senior Project Manager
Professional Associate at HDR, Inc

Aestus feels more like a partner than a contractor.

I have worked with Aestus for the past 15 years on different projects. Their specialty electrical resistivity imaging technology and conceptual site model (CSM) update process have always helped enhance our site understanding, allowing our project teams to make more informed decisions. Aestus is not a standard geophysical contractor as they function more like a partner subconsulting firm. Specifically, Aestus' process does not stop upon providing its geophysical data, as they also integrate multiple lines of evidence in 2D and 3D to facilitate robust data interpretation and a high data density CSM. Their scan first approach and resulting CSMs have helped us better understand appropriate next steps to achieve project objectives and minimize risk for our clients.

- Joe Robb, Partner, ERM

Sharper site models. Smarter remediation.

Aestus has consistently delivered actionable subsurface insights that strengthened our conceptual site models and optimized remediation strategies. Their advanced electrical resistivity imaging has provided clarity in complex hydrocarbon and chlorinated solvent sites, saving costs and increasing regulator confidence in site outcomes.

- David Correll, PG,
Senior Project Manager at Ensolum

Saved us tens of thousands without tearing up the site.

The sites you worked on for us in Oklahoma (Golden, Ada, Hobart and Enid) has most definitely helped us and the consultants to determine where to find and define the contamination. It has also saved us literally tens of thousands of dollars by delineating the plume without having to drill, making this a very cost effective and efficient technology as well as a great help to the tank owners by not having to completely tear up driveways and parking lots searching for the plumes.

- Mary O'Kelley, Technical Manager, Oklahoma Corporation Comission, Petroleum Storage Tank Division

Case Studies

View all Case Studies

Successful RDC at Tutu Wellfield Superfund site

Contaminated groundwater threatened drinking water in the U.S. Virgin Islands. See how Aestus helped HDR locate DNAPL sources, map fractured flowpaths, and deliver a focused remedial design that saved time and resources.

An overhead drone view captures a busy truck stop and gas station adjacent to a highway.

Detecting multiple LNAPL sources

Fluctuating groundwater and scattered LNAPL detections left this gas station site full of questions and risks. See how Aestus pinpointed multiple source zones and guided targeted remediation using ultra-high-resolution GeoTrax Survey™ data.

A GeoTrax Survey™ line deployed across a park and playground

PAH/NAPL in bedrock at MGP site

A former MGP site turned playground hid coal tar contamination in fractured bedrock. See how Aestus mapped subsurface impacts without disturbing the neighborhood and confirmed deep PAH/NAPL migration paths with precision.

A GeoTrax Survey™ line deployed over gravel and grass in a rural environment

Karst LNAPL remediation (<2 years)

A major diesel spill threatened a city water supply. See how Aestus mapped deep impacts in karst, guided remediation, and helped bring the municipal well back online within two years.

The Subsurface Technology Selection Matrix

Choose the right subsurface tool for your jobsite.

Not sure which technology to use for site characterization? We’ve got you covered.

Our free Subsurface Technology Selection Matrix helps you match your project size and goals with the right scanning tools. Whether you’re chasing contamination, mapping groundwater, or planning remediation, this guide gives you the clarity you need to move forward with confidence.

This guide will help you…

Avoid wasted time and budget on tools that don’t fit your site needs
Learn the strengths and limitations of each major subsurface technology
Get expert guidance on when to scan, drill, or combine both for best results

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Guesswork is the enemy of smart drilling. It leads to wasted money, rework, and nonstop frustration. Aestus scans your site and interprets the data so you can see what’s beneath the surface, make smart decisions, and keep your project moving forward.